/*
 * File    : ConfigSectionRepository.java
 * Created : 1 feb. 2004
 * By      : TuxPaper
 *
 * Azureus - a Java Bittorrent client
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details ( see the LICENSE file ).
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

package org.gudy.azureus2.pluginsimpl.local.ui.config;

import java.util.ArrayList;
import java.util.LinkedHashMap;
import java.util.Map;

import org.gudy.azureus2.core3.util.AEMonitor;
import org.gudy.azureus2.plugins.PluginInterface;
import org.gudy.azureus2.plugins.ui.config.ConfigSection;

public class ConfigSectionRepository {

    private static ConfigSectionRepository instance;
    private static AEMonitor class_mon = new AEMonitor("ConfigSectionRepository:class");

    private Map<ConfigSection, ConfigSectionHolder> items;

    private ConfigSectionRepository() {
        items = new LinkedHashMap<ConfigSection, ConfigSectionHolder>();
    }

    public static ConfigSectionRepository getInstance() {
        try {
            class_mon.enter();

            if (instance == null)
                instance = new ConfigSectionRepository();
            return instance;
        } finally {

            class_mon.exit();
        }
    }

    public void addConfigSection(ConfigSection item, PluginInterface pi) {
        try {
            class_mon.enter();

            items.put(item, new ConfigSectionHolder(item, pi));

        } finally {

            class_mon.exit();
        }
    }

    public void removeConfigSection(ConfigSection item) {
        try {
            class_mon.enter();

            items.remove(item);

        } finally {

            class_mon.exit();
        }
    }

    public ArrayList<ConfigSection> getList() {
        try {
            class_mon.enter();

            return (new ArrayList<ConfigSection>(items.keySet()));

        } finally {

            class_mon.exit();
        }
    }

    public ArrayList<ConfigSectionHolder> getHolderList() {
        try {
            class_mon.enter();

            return (new ArrayList<ConfigSectionHolder>(items.values()));

        } finally {

            class_mon.exit();
        }
    }

}
